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Children skilled in mental abacus show enhanced non-symbolic number sense

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Abstract

Mental abacus is mental arithmetic with the help of an imagined abacus. Children skilled in mental abacus have been shown to exhibit top-quality arithmetic abilities. The current study investigated whether children with high-level mental abacus ability could outperform untrained control children in non-symbolic number sense, which is considered to be fundamental for arithmetic development. One hundred and fifty children (75 children skilled in mental abacus and 75 controls) took part in this study. Children skilled in mental abacus completed a mental abacus level test. The two groups of children performed serial cognitive tasks, assessing non-symbolic number comparison, arithmetic, language, spatial processing, visual perception, attention, processing speed, working memory, and general intelligence. Results showed that children skilled in mental abacus had significantly better non-symbolic number sense than the other children after controlling for general intelligence. The significant difference in non-symbolic number sense remained after controlling for age, gender, all types of cognitive processing available, and arithmetic performance. A mediation model showed that non-symbolic number sense partially mediated the group difference in arithmetic development. These findings suggest that children skilled in mental abacus have enhanced non-symbolic number sense and raise the possibility that mental abacus training could directly improve children’s non-symbolic numerical skills.

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Funding

This research was supported by three grants from the Natural Science Foundation of China (31,671,151, 31,600,896, and 31,521,063), the 111 Project (BP0719032), and a grant from the Advanced Innovation Center for Future Education (27900–110,631,111).

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Correspondence to Xinlin Zhou.

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Ethical Approval

The study was approved by the institutional review board at the State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University.

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On behalf of all authors, the corresponding author states that there is no conflict of interest.

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Informed consent was obtained from all individual participants included in the study.

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Highlights

1) No studies have shown the advantage of non-symbolic number sense for children skilled in mental abacus.

2) Children skilled in mental abacus had better non-symbolic number sense than the controls after controlling for age, gender, general cognitive processing and even arithmetic performance.

3) A mediation model showed that the non-symbolic number sense partially mediated group difference (mental abacus group vs. controls) in symbolic arithmetic.

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Cui, J., Xiao, R., Ma, M. et al. Children skilled in mental abacus show enhanced non-symbolic number sense. Curr Psychol 41, 2053–2066 (2022). https://doi.org/10.1007/s12144-020-00717-0

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  • DOI: https://doi.org/10.1007/s12144-020-00717-0

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